MICRIOBIOLOGY V MICRO 101
Reviewer for V MICRO 101 1st Long Quiz
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MICRIOBIOLOGY V MICRO 101 - Leaderboard
MICRIOBIOLOGY V MICRO 101 - Details
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90 questions
| 🇬🇧 | 🇬🇧 |
| Demonstrated that the appearance of maggots in decomposing meat depended on deposition of eggs by flies | Francisco redi |
| Introduced the use of sterile media | Lazzaro spallanzani |
| Scientist who believed that a putresible fluid became spoiled if air is allowed to enter in it | Lazzaro spallanzani |
| Demonstrated the original canning process - appertization | Francois appert |
| Recognized the contagious nature of diseases | Lucretius and boccacio |
| Recognized fungi associated with a disease in silkworm | Agostino bassi |
| Test that identifies the microorganisms by detecting small amounts of microbial DNA in a sample | Polymerase Chain Reaction |
| Introduced vaccination against small pox using materials from a lesion of a similar disease in cattle | Edward Jenner |
| Proposed the kingdom prokaryotae | Robert murray |
| Discovered the antibiotic ‘Penicillin' | Alexander Fleming |
| Is seen in unaided human eye | Microbial colony |
| Introduced asceptic surgery | Joseph Lister |
| Group of the following organisms which is photosynthetic | Algae plant cyanobacteria |
| Field of applied microbiology that deals with the effect of coals, minerals and gas deposits in soil to the microorganisms | Geochemical microbiology |
| Cannot survive at 8.5pH | Vibrio cholerae |
| Group of microorganisms which is usually harmed by molecular oxygen | Obligate anaerobes |
| Group of microorganisms that are able to grow in oxygen concentration that is lower than those in atmospheric air | Microaerophiles |
| Differential media | Blood agar |
| Not differential | Sobaraud's dextrose agar |
| Microorganism that produces yellow colonies | Micrococcus luteus |
| Microorganism that produces red colonies | Serratia marcescens |
| Microorganism that stains medium blue | Pseudomonas aeruginosa |
| Microorganism that forms green crystals around colonies | Pseudomonas chlororaphis |
| Light microscope that has a series of lenses; most commonly used microscope | Compound microscope |
| Uses beam of electrons in place of light waves to produce image | Electron microscope |
| Measure of the light-bending ability of the medium | Refractive index |
| Microscope used examining LIVE microorganisms that are invisible in the ordinary light microscope | Darkfield microscope |
| Uses a computer to process the images to prooduces 2D or 3D images of cells | Confocal microscope |
| Microscope that is useless in examining LIVE microorganisms | Transmission electron microscope |
| Technique in electron microscopy that is used to outline the object | Negative staining |
| Organism that utilizes radiant energy | Phototrophs |
| Organism that donates electrons | Litotrophs |
| Organism that can live both as autotrophs and heterotrops | Facultative autotroph |
| Microbes that has optimum growth of higher than 80 degrees celsius | Hyperthermophiles |
| Hairlike, helical appendages protruding thru the cell wall, responsible for swimming motility | Flagella |
| Flagellum-like produced by bacteria (spirochetes), responsible for travelling a helical wave, occur in periplasmic space | Axial filaments |
| Sometimes called Murein | Peptidoglycan |
| Liberated by gram positive bacteria | Protoplast |
| Yielded by gram negative bacteria | Spheroplast |
| Component that is absent in bacteria but present in animal and human cell | Endoplasmic reticulum |
| Normal reproductive method in which a single cell divides into 2 identical cell | Transverse binary fission |
| Time required for a cell to divide | Generation time |
| Phase in which cells divide steadily at a constant rate | Logarithmic phase |
| Uses Petroff-Hausser Counting Chamber (PHCC) to determine cell count (using phase contrast microscope) | Direct microscopic count |
| Uses electronic particle counter to determine cell count, a rapid method but requires sophisticated equipment | Electronic enumeration of cell numbers |
| Uses Quebec colony counter to determine cell count | Plate-count method |
| Uses sphectrophotometer/colorimeter to determine cell mass | Turbidimetric method |